import type { UserConfig, ConfigEnv } from 'vite';
import pkg from './package.json';
import dayjs from 'dayjs';
import { loadEnv } from 'vite';
import { resolve } from 'path';
import { generateModifyVars } from './build/generate/generateModifyVars';
import { createProxy } from './build/vite/proxy';
import { wrapperEnv } from './build/utils';
import { createVitePlugins } from './build/vite/plugin';
import { OUTPUT_DIR } from './build/constant';

function pathResolve(dir: string) {
	return resolve(process.cwd(), '.', dir);
}

const { dependencies, devDependencies, name, version } = pkg;
const __APP_INFO__ = {
	pkg: { dependencies, devDependencies, name, version },
	lastBuildTime: dayjs().format('YYYY-MM-DD HH:mm:ss'),
};

export default ({ command, mode }: ConfigEnv): UserConfig => {
	const root = process.cwd();

	const env = loadEnv(mode, root);

	// The boolean type read by loadEnv is a string. This function can be converted to boolean type
	const viteEnv = wrapperEnv(env);

	const { VITE_PORT, VITE_PUBLIC_PATH, VITE_PROXY } = viteEnv;

	const isBuild = command === 'build';

	return {
		base: VITE_PUBLIC_PATH,
		lintOnSave: false,
		root,
		resolve: {
			alias: [
				{
					find: 'vue-i18n',
					replacement: 'vue-i18n/dist/vue-i18n.cjs.js',
				},
				// /@/xxxx => src/xxxx
				{
					find: /\/@\//,
					replacement: pathResolve('src') + '/',
				},
				// /#/xxxx => types/xxxx
				{
					find: /\/#\//,
					replacement: pathResolve('types') + '/',
				},
				{
					find: /@\//,
					replacement: pathResolve('src') + '/',
				},
				{
					find: /@\//,
					replacement: pathResolve('src') + '/',
				},
				// /#/xxxx => types/xxxx
				{
					find: /~@\//,
					replacement: pathResolve('types') + '/',
				},
			],
		},
		server: {
			// hmr: true,
			host: true,
			https: false,
			proxy: {
				'/jeecgboot': {
					// target: ' http://boot3.jeecg.com/jeecgboot',
					// target: 'http://101.43.94.70:25500/charge4gv2',
					target: 'https://www.chargesystem.cn/charge4gv2',
					changeOrigin: true,
					ws: false,
					rewrite: (path) => path.replace(/^\/jeecgboot/, ''),
				},
			},
		},
		build: {
			minify: 'esbuild',
			target: 'es2015',
			cssTarget: 'chrome80',
			outDir: OUTPUT_DIR,
			rollupOptions: {
				// 关闭除屑优化，防止删除重要代码，导致打包后功能出现异常
				treeshake: false,
				output: {
					chunkFileNames: 'js/[name]-[hash].js', // 引入文件名的名称
					entryFileNames: 'js/[name]-[hash].js', // 包的入口文件名称
					// manualChunks配置 (依赖包从大到小排列)
					manualChunks: {
						// vue vue-router合并打包
						'vue-vendor': ['vue', 'vue-router'],
						'antd-vue-vendor': ['ant-design-vue', '@ant-design/icons-vue', '@ant-design/colors'],
						'vxe-table-vendor': ['vxe-table', 'vxe-table-plugin-antd', 'xe-utils'],
						'emoji-mart-vue-fast': ['emoji-mart-vue-fast'],
						'china-area-data-vendor': ['china-area-data'],
					},
				},
			},
			// 关闭brotliSize显示可以稍微减少打包时间
			reportCompressedSize: false,
			// 提高超大静态资源警告大小
			chunkSizeWarningLimit: 2000,
		},
		esbuild: {
			//清除全局的console.log和debug
			drop: isBuild ? ['console', 'debugger'] : [],
		},
		define: {
			// setting vue-i18-next
			// Suppress warning
			__INTLIFY_PROD_DEVTOOLS__: false,
			__APP_INFO__: JSON.stringify(__APP_INFO__),
		},
		css: {
			preprocessorOptions: {
				less: {
					modifyVars: generateModifyVars(),
					javascriptEnabled: true,
				},
			},
		},

		// The vite plugin used by the project. The quantity is large, so it is separately extracted and managed
		plugins: createVitePlugins(viteEnv, isBuild),
		// 预加载构建配置（首屏性能)
		optimizeDeps: {
			esbuildOptions: {
				target: 'es2020',
			},
			exclude: [
				//升级vite4后，需要排除online依赖
				'@jeecg/online',
			],
		},
	};
};
